Title :
Frequency shifts in a piezoelectric body due to small amounts of additional mass on its surface
Author_Institution :
Dept. of Eng. Mech., Nebraska Univ., Lincoln, NE, USA
Abstract :
Shifts of resonance frequencies of a three-dimensional piezoelectric body of an arbitrary shape due to the addition of a thin layer of mass to its surface are studied. A first-order perturbation integral is obtained for the frequency shifts.
Keywords :
perturbation theory; piezoelectric thin films; arbitrary shape; first-order perturbation integral; frequency shifts; resonance frequencies; thin layer; three-dimensional piezoelectric body; Acoustic waves; Boundary conditions; Chemical and biological sensors; Eigenvalues and eigenfunctions; Electrodes; Gold; Resonance; Resonant frequency; Shape; Surface acoustic waves;
Journal_Title :
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on
DOI :
10.1109/TUFFC.2004.1350944
